Results 151 to 160 of about 521,402 (361)
Effect of light-curing unit and bonding agent on shear bond strength of composite resin to dentin
مجله دانشکده دندانپزشکی اصفهان, 2011 Introduction: Shear bond strength is one of the most important mechanical characteristics involved in clinical durability of tooth-colored restorations, which is directly related to polymerization shrinkage. This study evaluated the efficacy of two light-
Parvin Mirzakouchaki borojeni +2 more
doaj
Advanced Functional Materials, EarlyView.Emulating nature's unparalleled engineering, this work introduces butterfly‐inspired hybrid composites for high‐performance transportation and defense sectors. Leveraging biomimicry, these lightweight composites feature butterfly leg‐inspired hierarchical fibrous assemblies and butterfly wing‐inspired sandwich‐structured architecture, to achieve ...
Nello D. Sansone +7 more
wiley +1 more source
A novel bioactive glass-enhanced orthodontic bonding resin: A shear bond strength study [PDF]
, 2011 Enamel decalcification caused by poor oral hygiene is a significant problem in orthodontics. Bioactive glass-containing resins have been shown to release Ca2+ ions into surrounding solution.
Johnson, Cole
core +2 more sources
Advanced Functional Materials, EarlyView.A novel stratum corneum‐inspired zwitterionic hydrogel is developed for intelligent, flexible sensors, featuring intrinsic water retention and anti‐freezing properties. The quasi‐gel, composed of hygroscopic polymers and bound water, maintains its softness across a wide range of humidity.
Meng Wu +8 more
wiley +1 more source
Shear bond strength of different bonding agents to dental metal alloys
Revista Cubana de Estomatología, 2023 Introduction: The bonding of indirect restorations is one of the most important steps, in order to achieve adequate retention and sealing of the interface between the restorative material and the tooth.
Iván Humberto Medina-Ordaz +4 more
doaj
Heat Conduction Modulation in Incommensurate Twisted Stacking of Transition‐Metal Dichalcogenide
Advanced Functional Materials, EarlyView.The interlayer thermal conductance in twisted bilayer TMDs is initially investigated experimentally by the thermoreflectance method. The overlap of lattice vibrations within individual layers and the interlayer interactions, as elucidated through both Raman spectroscopy and molecular dynamics simulations, are demonstrated to be critical factors in ...
Bin Xu +6 more
wiley +1 more source
Effect of light-curing units in shear bond strength of metallic brackets: an in vitro study
Journal of Applied Oral Science, 2010 OBJECTIVES: To determine the influence of the light curing units on the shear bond strength of orthodontic brackets. MATERIAL AND METHODS: Seventy-two premolars were divided into six groups (n=12): Group I: brackets bonded with Transbond and ...
Luciana Borges Retamoso +3 more
doaj +1 more source
Scaling‐Up of Structural Superlubricity: Challenges and Opportunities
Advanced Functional Materials, EarlyView.At increasing length‐scales, structural superlubricity (SSL) faces challenges from physical and chemical energy dissipation pathways. This study reviews recent experimental and theoretical progress on these challenges facing the scaling‐up of SSL, as well as perspectives on future directions for realizing and manipulating macroscale superlubricity ...
Penghua Ying +4 more
wiley +1 more source
Polyurethane adhesive with improved high temperature properties [PDF]
, 1977 A polyurethane resin with paste activator, capable of providing useful bond strengths over the temperature range of -184 C to 149 C, is described. The adhesive system has a pot life of over one hour.
Stuckey, J. M.
core +1 more source
The shear bond strength of reconditioned sapphire bracket after rebonding with sandblasting zirconia
Padjadjaran Journal of Dentistry, 2018 Introduction: Sapphire bracket is the best aesthetic bracket with metal bracket-like mechanical properties. In conditions causing attachment lost between sapphire bracket and enamel, a rebonding procedure will needed.
Dedeh Pitriani +2 more
doaj +1 more source